/* 后台在 app.css 基础上的补充 */
#adminApp { min-height: 100%; }
.admin-main { max-width: 1120px; margin: 0 auto; padding: 1.1rem 1.25rem 3rem; display: grid; gap: 1rem; }
.admin-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.span-2 { grid-column: span 2; }
.admin-card { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); padding: 1.15rem 1.25rem; min-width: 0; }
.admin-card h2 { margin: 0 0 1rem; font-size: 1rem; display: flex; align-items: center; gap: 0.5rem; }
.admin-card h2 .right { margin-left: auto; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 0 1rem; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0 1rem; }
.row { display: flex; gap: 0.45rem; align-items: center; }
.row input { flex: 1; }
.row-actions { display: flex; gap: 0.5rem; margin-top: 0.9rem; }
textarea { resize: vertical; }

.alert { background: #fff4e5; border: 1px solid #f5cf96; color: #7a4a0c; padding: 0.75rem 1rem; border-radius: 12px; font-size: 0.92rem; }
.alert code { background: rgba(0,0,0,0.06); padding: 0 0.3em; border-radius: 4px; }

.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; }
.stat { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 0.9rem 1.1rem; box-shadow: var(--shadow); }
.sv { font-size: 1.7rem; font-weight: 800; color: var(--navy); font-variant-numeric: tabular-nums; }
.sl { color: var(--muted); font-size: 0.82rem; margin-top: 0.1rem; }

.switches { display: flex; flex-wrap: wrap; gap: 0.6rem 1.3rem; margin-top: 0.3rem; }
.switch { display: inline-flex; align-items: center; gap: 0.5rem; cursor: pointer; font-size: 0.92rem; user-select: none; white-space: nowrap; }
.switch input { display: none; }
.switch span { width: 36px; height: 20px; border-radius: 999px; background: #d6d2c8; position: relative; transition: background .15s; flex: none; }
.switch span::after { content: ""; position: absolute; top: 2px; left: 2px; width: 16px; height: 16px; border-radius: 50%; background: #fff; box-shadow: 0 1px 2px rgba(0,0,0,0.2); transition: transform .15s; }
.switch input:checked + span { background: var(--teal); }
.switch input:checked + span::after { transform: translateX(16px); }
.ext-grid { display: grid; grid-template-columns: auto 1fr; gap: 0.55rem 0.9rem; align-items: center; }
.ext-grid input { padding: 0.5rem 0.7rem; }

.tag { font-size: 0.74rem; font-weight: 600; padding: 0.15rem 0.55rem; border-radius: 999px; background: var(--line-2); color: var(--muted); }
.tag.ok { background: var(--teal-soft); color: #1e7a6f; }
.tag.no { background: var(--danger-soft); color: var(--danger); }

.savebar { position: sticky; bottom: 0.8rem; z-index: 4; display: flex; align-items: center; justify-content: space-between; gap: 1rem; background: rgba(255,255,255,0.92); backdrop-filter: blur(6px); border: 1px solid var(--line); border-radius: 14px; padding: 0.65rem 0.75rem 0.65rem 1.1rem; box-shadow: var(--shadow-lg); }
.savebar.dirty { border-color: var(--coral); }
.savebar.dirty #saveHint { color: var(--coral); font-weight: 600; }

.scroll-box { max-height: 280px; overflow: auto; }
.mini-table { width: 100%; border-collapse: collapse; font-size: 0.88rem; }
.mini-table th, .mini-table td { text-align: left; padding: 0.45rem 0.4rem; border-bottom: 1px solid var(--line-2); vertical-align: top; }
.mini-table th { color: var(--muted); font-weight: 600; font-size: 0.8rem; }
.archive-list { display: grid; gap: 0.6rem; }
.arch { display: grid; grid-template-columns: 1fr auto; gap: 0.3rem 1rem; border: 1px solid var(--line-2); border-radius: 12px; padding: 0.75rem 0.9rem; }
.arch-t { font-weight: 700; }
.arch-m { color: var(--muted); font-size: 0.8rem; }
.arch-s { grid-column: 1 / -1; white-space: pre-wrap; font-size: 0.88rem; color: var(--ink-2); max-height: 5.6em; overflow: hidden; }
.summary-box { white-space: pre-wrap; background: var(--panel-2); border: 1px solid var(--line); border-radius: 10px; padding: 0.9rem; margin-top: 0.9rem; max-height: 420px; overflow: auto; font-size: 0.86rem; font-family: var(--font); }

@media (max-width: 800px) {
  .admin-grid, .grid-2 { grid-template-columns: 1fr; }
  .span-2 { grid-column: auto; }
  .grid-4, .stats { grid-template-columns: 1fr 1fr; }
}

.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0 1rem; align-items: end; }
.pw-kick, .pw-btn { display: flex; align-items: center; min-height: 44px; }
.pw-btn .btn { width: 100%; }
.class-hero { display: flex; align-items: center; justify-content: space-between; gap: 1rem; flex-wrap: wrap; border-left: 6px solid var(--line); }
.class-hero.on { border-left-color: var(--teal); background: linear-gradient(90deg, var(--teal-soft), #fff 40%); }
.class-hero.off { border-left-color: #c9c3b6; }
.ch-state { font-size: 1.35rem; font-weight: 800; }
.class-hero.on .ch-state { color: #1e7a6f; }
.ch-right { display: flex; align-items: center; gap: 0.6rem; flex-wrap: wrap; }
.ch-min { display: flex; align-items: center; gap: 0.35rem; font-size: 0.9rem; color: var(--ink-2); }
.ch-min input { width: 76px; padding: 0.45rem 0.5rem; }
.btn-go { background: var(--teal); color: #fff; }
.btn-go:hover { background: #238478; }
.class-hero .btn { padding: 0.7rem 1.3rem; font-size: 1rem; }
.faq-edit { display: grid; grid-template-columns: 1fr 1fr; gap: 0.8rem; }
.faq-edit textarea { font-family: var(--mono); font-size: 0.85rem; min-height: 320px; }
.faq-preview { border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 0.8rem 1rem; max-height: 420px; overflow: auto; background: var(--panel-2); }
@media (max-width: 800px) {
  .grid-3, .faq-edit { grid-template-columns: 1fr; }
}